EP2151683A3 - Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - Google Patents

Biosensor, thin film electrode forming method, quantification apparatus, and quantification method Download PDF

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Publication number
EP2151683A3
EP2151683A3 EP09177290A EP09177290A EP2151683A3 EP 2151683 A3 EP2151683 A3 EP 2151683A3 EP 09177290 A EP09177290 A EP 09177290A EP 09177290 A EP09177290 A EP 09177290A EP 2151683 A3 EP2151683 A3 EP 2151683A3
Authority
EP
European Patent Office
Prior art keywords
biosensor
electrode
quantification
support
spacer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09177290A
Other languages
German (de)
French (fr)
Other versions
EP2151683A2 (en
Inventor
Shoji Miyazaki
Hiroyuki Tokunaga
Masaki Fujiwara
Eriko Yamanishi
Yoshinobu Tokuno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHC Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27554610&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2151683(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2000111255A external-priority patent/JP4226756B2/en
Priority claimed from JP2000113754A external-priority patent/JP2001296267A/en
Priority claimed from JP2000124394A external-priority patent/JP4197085B2/en
Priority claimed from JP2000128249A external-priority patent/JP4184572B2/en
Priority claimed from JP2000130158A external-priority patent/JP4184573B2/en
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to EP14195408.1A priority Critical patent/EP2889611B1/en
Publication of EP2151683A2 publication Critical patent/EP2151683A2/en
Publication of EP2151683A3 publication Critical patent/EP2151683A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
    • G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
    • G01N27/3272—Test elements therefor, i.e. disposable laminated substrates with electrodes, reagent and channels
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001—Enzyme electrodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/4875—Details of handling test elements, e.g. dispensing or storage, not specific to a particular test method
    • G01N33/48771—Coding of information, e.g. calibration data, lot number
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Abstract

A biosensor comprises a support (1), a conductive layer (2) composed of an electrical conductive material such as noble metal, for example gold, palladium or the like, and carbon, slits (3a and 3b) parallel to the side of the support (1), slits (4a and 4b) vertical to the side of the support (1), a working electrode (5), a counter electrode (6), a detecting electrode (7), a spacer (8) which covers the working electrode (5), the counter electrode (6) and the detecting electrode (7) on the support (1), a rectangular cutout part (9) forming a specimen supply path, an inlet (9a) of the specimen supply path, a reagent layer (12) formed by applying a reagent including an enzyme or the like to the working electrode (5), the counter electrode (6) and the detecting electrode (7), which is exposed from the cutout part (9) of the spacer (8), and a cover (13) which covers the spacer (8), as shown in figure 1.
The so-constructed biosensor can be formed by a simple method, and a biosensor which is excellent in a measuring accuracy as well as a biosensor in which a reagent layer is placed uniformly on the electrodes regardless of a reagent liquid composition, and which has a uniform performance can be realized.
EP09177290A 1999-11-15 2000-11-14 Biosensor, thin film electrode forming method, quantification apparatus, and quantification method Withdrawn EP2151683A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14195408.1A EP2889611B1 (en) 1999-11-15 2000-11-14 Biosensor and measurement apparatus.

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP32455199 1999-11-15
JP2000111255A JP4226756B2 (en) 1999-11-15 2000-04-12 Biosensor, quantitative method and quantitative apparatus using the same
JP2000113754A JP2001296267A (en) 2000-04-14 2000-04-14 Forming method of membrane electrode, and biosensor equipped with same
JP2000124394A JP4197085B2 (en) 2000-04-25 2000-04-25 Biosensor
JP2000128249A JP4184572B2 (en) 2000-04-27 2000-04-27 Biosensor
JP2000130158A JP4184573B2 (en) 2000-04-28 2000-04-28 Biosensor
EP00974977A EP1152239A4 (en) 1999-11-15 2000-11-14 Biosensor, method of forming thin-film electrode, and method and apparatus for quantitative determination

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP00974977.1 Division 2000-11-14
EP00974977A Division EP1152239A4 (en) 1999-11-15 2000-11-14 Biosensor, method of forming thin-film electrode, and method and apparatus for quantitative determination

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP14195408.1A Division EP2889611B1 (en) 1999-11-15 2000-11-14 Biosensor and measurement apparatus.

Publications (2)

Publication Number Publication Date
EP2151683A2 EP2151683A2 (en) 2010-02-10
EP2151683A3 true EP2151683A3 (en) 2010-07-28

Family

ID=27554610

Family Applications (5)

Application Number Title Priority Date Filing Date
EP00974977A Ceased EP1152239A4 (en) 1999-11-15 2000-11-14 Biosensor, method of forming thin-film electrode, and method and apparatus for quantitative determination
EP10180644.6A Expired - Lifetime EP2267439B8 (en) 1999-11-15 2000-11-14 Biosensor for quantifying a substrate
EP10180654.5A Expired - Lifetime EP2275807B1 (en) 1999-11-15 2000-11-14 Biosensor for quantifying a substrate
EP14195408.1A Expired - Lifetime EP2889611B1 (en) 1999-11-15 2000-11-14 Biosensor and measurement apparatus.
EP09177290A Withdrawn EP2151683A3 (en) 1999-11-15 2000-11-14 Biosensor, thin film electrode forming method, quantification apparatus, and quantification method

Family Applications Before (4)

Application Number Title Priority Date Filing Date
EP00974977A Ceased EP1152239A4 (en) 1999-11-15 2000-11-14 Biosensor, method of forming thin-film electrode, and method and apparatus for quantitative determination
EP10180644.6A Expired - Lifetime EP2267439B8 (en) 1999-11-15 2000-11-14 Biosensor for quantifying a substrate
EP10180654.5A Expired - Lifetime EP2275807B1 (en) 1999-11-15 2000-11-14 Biosensor for quantifying a substrate
EP14195408.1A Expired - Lifetime EP2889611B1 (en) 1999-11-15 2000-11-14 Biosensor and measurement apparatus.

Country Status (5)

Country Link
US (16) US6875327B1 (en)
EP (5) EP1152239A4 (en)
KR (1) KR100445489B1 (en)
CN (4) CN1632553A (en)
WO (1) WO2001036953A1 (en)

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